package com.sgb.kjwl.view.widget;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.TextView;

import androidx.appcompat.widget.AppCompatEditText;


import com.sgb.kjwl.R;
import com.sgb.kjwl.view.ui.activity.enterprise.MakeOverPublishMainActivity;
import com.swgk.core.util.ClickUtils;
import com.swgk.core.util.DisplayUtil;
import com.swgk.core.util.MToast;
import com.swgk.core.util.ScreenUtil;

/**
 * @author: 杨畔
 * @date: 2021/1/25 11:29
 * @Description: 带删除按钮的输入框
 */
public class ClearEditText extends AppCompatEditText implements View.OnFocusChangeListener, TextWatcher, TextView.OnEditorActionListener {
    /**
     * 删除按钮的引用
     */
    private Drawable mClearDrawable;

    public ClearEditText(Context context) {
        this(context, null);
    }

    public ClearEditText(Context context, AttributeSet attrs) {
        //这里构造方法也很重要，不加这个很多属性不能再XML里面定义
        this(context, attrs, android.R.attr.editTextStyle);
    }

    public ClearEditText(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.ClearEditText);
        mClearDrawable = typedArray.getDrawable(R.styleable.ClearEditText_clear_icon);
        typedArray.recycle();

        init();
    }


    @SuppressLint("UseCompatLoadingForDrawables")
    private void init() {
        //获取EditText的DrawableRight,假如没有设置我们就使用默认的图片,getCompoundDrawables()获取Drawable的四个位置的数组
        if (mClearDrawable == null) {
            mClearDrawable = getResources().getDrawable(R.drawable.icon_shanchu);
        }
        //设置图标的位置以及大小
        if (mClearDrawable != null) {
            mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(), mClearDrawable.getIntrinsicHeight());
        }
        //设置图标间距
        setCompoundDrawablePadding(DisplayUtil.dip2px(getContext(), 10));
        //设置图标隐藏显示
        setClearIconVisible(getText() != null && getText().length() > 0);
        //设置焦点改变的监听
        setOnFocusChangeListener(this);
        //设置输入框里面内容发生改变的监听
        addTextChangedListener(this);
    }


    /**
     * 因为我们不能直接给EditText设置点击事件，所以我们用记住我们按下的位置来模拟点击事件
     * 当我们按下的位置 在  EditText的宽度 - 图标到控件右边的间距 - 图标的宽度  和
     * EditText的宽度 - 图标到控件右边的间距之间我们就算点击了图标，竖直方向就没有考虑
     */
    @SuppressLint("ClickableViewAccessibility")
    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (event.getAction() == MotionEvent.ACTION_UP) {
            if (getCompoundDrawables()[2] != null) {
                //getTotalPaddingRight()图标左边缘至控件右边缘的距离
                //getWidth() - getTotalPaddingRight()表示从最左边到图标左边缘的位置
                //getWidth() - getPaddingRight()表示最左边到图标右边缘的位置
                boolean touchable = event.getX() > (getWidth() - getTotalPaddingRight())
                        && (event.getX() < ((getWidth() - getPaddingRight())));
                if (touchable) {
                    this.setText("");
                    if (onClickClear != null) {
                        onClickClear.clickClear();
                    }
                }
            }
        }
        return super.onTouchEvent(event);
    }

    /**
     * 当ClearEditText焦点发生变化的时候，判断里面字符串长度设置清除图标的显示与隐藏
     */
    @Override
    public void onFocusChange(View v, boolean hasFocus) {
        setClearIconVisible(getText() != null && getText().length() > 0);
    }

    public void setClearIcon(Drawable drawable) {
        mClearDrawable = drawable;
        invalidate();
    }

    /**
     * 设置清除图标的显示与隐藏，调用setCompoundDrawables为EditText绘制上去
     */
    public void setClearIconVisible(boolean visible) {
        Drawable right = visible ? mClearDrawable : null;
        setCompoundDrawables(getCompoundDrawables()[0], getCompoundDrawables()[1], right, getCompoundDrawables()[3]);
    }

    /**
     * 当输入框里面内容发生变化的时候回调的方法
     */
    @Override
    public void onTextChanged(CharSequence s, int start, int count, int after) {
        setClearIconVisible(s.length() > 0);
    }

    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {

    }

    @Override
    public void afterTextChanged(Editable s) {

    }

    @Override
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        if (actionId == EditorInfo.IME_ACTION_SEARCH || (event != null && event.getKeyCode() == KeyEvent.KEYCODE_ENTER)) {
            iSearch.clickSearch();
        }
        return false;
    }

    OnClickClear onClickClear;

    public interface OnClickClear {
        void clickClear();
    }

    public void OnClickClear(OnClickClear onClickClear) {
        this.onClickClear = onClickClear;
    }

    ISearch iSearch;

    public interface ISearch {
        void clickSearch();
    }

    public void OnClickSearch(ISearch iSearch) {
        this.iSearch = iSearch;
    }
}
